The Cellular version of Series 6, pairing the new blood oxygen sensor with always-connected LTE — the antenna-embedded back crystal and sensor cluster together make this the most involved back-case repair of the generation.
| Chip | Apple S6 (dual-core, 64-bit) |
| Case sizes | 40mm / 44mm |
| Connectivity | Built-in GPS + LTE Cellular, Wi-Fi + Bluetooth |
| Cellular | eSIM |
| Health | Blood oxygen (SpO2) sensor (new) |